X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=mm%2Fvmalloc.c;h=ddf87145cc49e0dc3d4e6e74f157b6a5e2e08f5c;hb=68dff6a9af9f27df5aeee6d0339818b0e36c1b51;hp=9eef486da9093469fa6a101b05be786a02f0ed14;hpb=a22a0fab32e1216df56e4b9a577dc5c922cf7524;p=karo-tx-linux.git

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9eef486da909..ddf87145cc49 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -68,12 +68,12 @@ static inline void vunmap_pud_range(pgd_t *pgd, unsigned long addr,
 	} while (pud++, addr = next, addr != end);
 }
 
-void unmap_vm_area(struct vm_struct *area)
+void unmap_kernel_range(unsigned long addr, unsigned long size)
 {
 	pgd_t *pgd;
 	unsigned long next;
-	unsigned long addr = (unsigned long) area->addr;
-	unsigned long end = addr + area->size;
+	unsigned long start = addr;
+	unsigned long end = addr + size;
 
 	BUG_ON(addr >= end);
 	pgd = pgd_offset_k(addr);
@@ -84,7 +84,12 @@ void unmap_vm_area(struct vm_struct *area)
 			continue;
 		vunmap_pud_range(pgd, addr, next);
 	} while (pgd++, addr = next, addr != end);
-	flush_tlb_kernel_range((unsigned long) area->addr, end);
+	flush_tlb_kernel_range(start, end);
+}
+
+static void unmap_vm_area(struct vm_struct *area)
+{
+	unmap_kernel_range((unsigned long)area->addr, area->size);
 }
 
 static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
@@ -311,7 +316,7 @@ struct vm_struct *remove_vm_area(void *addr)
 	return v;
 }
 
-void __vunmap(void *addr, int deallocate_pages)
+static void __vunmap(void *addr, int deallocate_pages)
 {
 	struct vm_struct *area;
 
@@ -431,7 +436,7 @@ void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 		area->flags |= VM_VPAGES;
 	} else {
 		pages = kmalloc_node(array_size,
-				(gfp_mask & ~(__GFP_HIGHMEM | __GFP_ZERO)),
+				(gfp_mask & GFP_LEVEL_MASK),
 				node);
 	}
 	area->pages = pages;
@@ -577,6 +582,14 @@ void *vmalloc_exec(unsigned long size)
 	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
 }
 
+#if defined(CONFIG_64BIT) && defined(CONFIG_ZONE_DMA32)
+#define GFP_VMALLOC32 GFP_DMA32
+#elif defined(CONFIG_64BIT) && defined(CONFIG_ZONE_DMA)
+#define GFP_VMALLOC32 GFP_DMA
+#else
+#define GFP_VMALLOC32 GFP_KERNEL
+#endif
+
 /**
  *	vmalloc_32  -  allocate virtually contiguous memory (32bit addressable)
  *	@size:		allocation size
@@ -586,7 +599,7 @@ void *vmalloc_exec(unsigned long size)
  */
 void *vmalloc_32(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL);
+	return __vmalloc(size, GFP_VMALLOC32, PAGE_KERNEL);
 }
 EXPORT_SYMBOL(vmalloc_32);
 
@@ -602,7 +615,7 @@ void *vmalloc_32_user(unsigned long size)
 	struct vm_struct *area;
 	void *ret;
 
-	ret = __vmalloc(size, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
+	ret = __vmalloc(size, GFP_VMALLOC32 | __GFP_ZERO, PAGE_KERNEL);
 	if (ret) {
 		write_lock(&vmlist_lock);
 		area = __find_vm_area(ret);
@@ -747,3 +760,10 @@ out_einval_locked:
 }
 EXPORT_SYMBOL(remap_vmalloc_range);
 
+/*
+ * Implement a stub for vmalloc_sync_all() if the architecture chose not to
+ * have one.
+ */
+void  __attribute__((weak)) vmalloc_sync_all(void)
+{
+}